Net Periodic Benefit Cost (Tables)

12 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Information for pension plans with a projected benefit obligation in excess of plan assets is as follows:



	March 31,
	2015		2014
Projected benefit obligation	$	261,540	$	225,685
Fair value of plan assets	204,201		188,228

The fair values by category of inputs as of March 31, 2015 and March 31, 2014 were as follows:



	Quoted Prices in Active Markets for Identical Assets		Significant other observable Inputs		Significant unobservable Inputs
As of March 31, 2015:	(Level 1)		(Level 2)		(Level 3)		Total
Asset categories:
Equity securities	$	73,853	$	58,890	$	—	$	132,743
Fixed income securities	53,022		—		17,471		70,493
Cash equivalents	965		—		—		965
Total	$	127,840	$	58,890	$	17,471	$	204,201



	Quoted Prices in Active Markets for Identical Assets		Significant other observable Inputs		Significant unobservable Inputs
As of March 31, 2014:	(Level 1)		(Level 2)		(Level 3)		Total
Asset categories:
Equity securities	$	68,276	$	55,525	$	—	$	123,801
Fixed income securities	46,466		—		17,106		63,572
Cash equivalents	855		—		—		855
Total	$	115,597	$	55,525	$	17,106	$	188,228

Information about the expected benefit payments for the Company’s defined benefit plans is as follows:



2016	$	10,693
2017	11,194
2018	11,799
2019	12,394
2020	13,061
2021-2025	72,574

In fiscal 2015, net periodic postretirement benefit cost included the following:



	Year Ended March 31,
	2015		2014		2013
Interest cost	$	209	$	254	$	285
Net amortization	60		101		81
Net periodic postretirement benefit cost	$	269	$	355	$	366

Information about the expected benefit payments for the Company’s postretirement health benefit plans is as follows:



2016	$	675
2017	660
2018	614
2019	599
2020	561
2021-2025	2,238

A one-percentage point change in assumed health care cost trend rates would have the following effects



	One Percentage Point Increase		One Percentage Point Decrease
Effect on total of service and interest cost components	$	10	$	(9	)
Effect on postretirement obligation	391		(352		)

The following provides a reconciliation of benefit obligation, plan assets, and funded status of the plans:



	March 31,
	2015			2014
Change in benefit obligation:
Benefit obligation at beginning of year	$	225,685		$	229,180
Service cost	2,153			2,481
Interest cost	9,850			9,716
Actuarial (gain) loss	39,131			(6,108		)
Benefits paid	(10,219		)	(10,314		)
Foreign exchange rate changes	(5,060		)	730
Benefit obligation at end of year	$	261,540		$	225,685

Change in plan assets:
Fair value of plan assets at beginning of year	$	188,228		$	167,017
Actual gain on plan assets	15,799			20,815
Employer contribution	11,013			11,041
Benefits paid	(10,219		)	(10,314		)
Foreign exchange rate changes	(620		)	(331		)
Fair value of plan assets at end of year	$	204,201		$	188,228

Funded status	$	(57,339	)	$	(37,457	)
Unrecognized actuarial loss	88,477			56,516
Unrecognized prior service cost	42			179
Net amount recognized	$	31,180		$	19,238

Amounts recognized in the consolidated balance sheets are as follows:



	March 31,
	2015			2014
Accrued liabilities	$	(738	)	$	(942	)
Other non-current liabilities	(56,601		)	(36,515		)
Deferred tax effect of accumulated other comprehensive loss	22,524			10,424
Accumulated other comprehensive loss	65,995			46,271
Net amount recognized	$	31,180		$	19,238

The weighted-average assumptions in the following table represent the rates used to develop the actuarial present value of the projected benefit obligation for the year listed and also net periodic pension cost for the following year:



	2015		2014		2013
Discount rate	3.83	%	4.60	%	4.35	%
Expected long-term rate of return on plan assets	7.50	%	7.50	%	7.50	%
Rate of compensation increase	2.30	%	2.00	%	2.00	%

The fair values of the Company’s defined benefit plans’ consolidated assets by asset category as of March 31 were as follows:



	March 31,
	2015		2014
Asset categories:
Equity securities	$	132,743	$	123,801
Fixed income securities	70,493		63,572
Cash equivalents	965		855
Total	$	204,201	$	188,228

The Company’s postretirement health benefit plans are not funded. The following sets forth a reconciliation of benefit obligation and the funded status of the plan:



	March 31,
	2015			2014
Change in benefit obligation:
Benefit obligation at beginning of year	$	5,873		$	6,102
Interest cost	209			254
Actuarial gain	660			(21		)
Benefits paid	(508		)	(462		)
Benefit obligation at end of year	$	6,234		$	5,873

Funded status	$	(6,234	)	$	(5,873	)
Unrecognized actuarial loss	1,794			1,193
Net amount recognized	$	(4,440	)	$	(4,680	)

Net periodic pension cost included the following components:



	2015			2014			2013
Service costs—benefits earned during the period	$	2,153		$	2,481		$	2,517
Interest cost on projected benefit obligation	9,850			9,716			9,837
Expected return on plan assets	(14,241		)	(12,618		)	(11,195		)
Net amortization	3,517			6,259			6,305
Other	82			—			—
Net periodic pension cost	$	1,361		$	5,838		$	7,464

The Company’s retirement plan target and actual asset allocations are as follows:



	Target	Actual
	2016	2015	2014
Equity securities	65%	65%	66%
Fixed income	35%	35%	34%
Total plan assets	100%	100%	100%

Amounts recognized in the consolidated balance sheets are as follows:



	March 31,
	2015			2014
Accrued liabilities	$	(675	)	$	(735	)
Other non-current liabilities	(5,559		)	(5,137		)
Deferred tax effect of accumulated other comprehensive loss	1,554			1,323
Accumulated other comprehensive loss	240			(131		)
Net amount recognized	$	(4,440	)	$	(4,680	)

Information for pension plans with an accumulated benefit obligation in excess of plan assets is as follows:



	March 31,
	2015		2014
Accumulated benefit obligation	$	255,295	$	218,500
Fair value of plan assets	204,201		188,228